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Edexcel A-Level Physics AS 2.3.50 Diffraction and Huygens Construction Questions

Practise Edexcel IAL Physics 2.3.50 by defining diffraction as wave spreading and using Huygens’ secondary wavelets and superposition to predict diffracted wavefronts.

Syllabus
Pearson Edexcel International Advanced Subsidiary/Advanced Level
Course
Physics XPH11/YPH11
Level
AS

Exam points

  • define diffraction as wave spreading through a gap or around an obstacle
  • explain Huygens’ construction using secondary wavelets and superposition of wavefronts

Edexcel A-Level Physics AS 2.3.50 Diffraction and Huygens Construction Questions question 1

[Maximum number: 2]

Boats can shelter from waves on the sea in a harbour.

The diagram shows a harbour where boats can enter and leave through two gaps in the harbour wall.

Figure for Question Edexcel A-Level Physics AS 2.3.50 Diffraction and Huygens Construction Questions question 1 — Edexcel A-Level Physics AS

Waves on the sea are diffracted as they pass through the gaps in the harbour wall.

Describe how Huygens' construction can be used to predict the shape of diffracted wavefronts.

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